$OpenBSD: patch-lib_ansible_plugins_filter_core_py,v 1.1 2017/06/02 17:24:39 jasper Exp $

- set bcrypt algorith to '2b'
- unbreak password_hash('blowfish') which used salt buffer of incorrect
  length (16 instead of 22).

Index: lib/ansible/plugins/filter/core.py
--- lib/ansible/plugins/filter/core.py.orig
+++ lib/ansible/plugins/filter/core.py
@@ -244,13 +244,17 @@ def get_encrypted_password(password, hashtype='sha512'
     # TODO: find a way to construct dynamically from system
     cryptmethod= {
         'md5':      '1',
-        'blowfish': '2a',
+        'blowfish': '2b',
         'sha256':   '5',
         'sha512':   '6',
     }
 
     if hashtype in cryptmethod:
-        if salt is None:
+        # For Blowfish, skip generating salt manually because what is generated
+        # below contains incorrectly set padding bits. Also the length used to
+        # be incorrect (16 instead of 22). Besides, Passlib recommends NOT
+        # generating a salt string manually.
+        if salt is None and hashtype is not 'blowfish':
             r = SystemRandom()
             if hashtype in ['md5']:
                 saltsize = 8
